An Atwood Machine Has a Mass of 3

Multiple Choice

An Atwood machine has a mass of 3.50 kg connected by a light string to a mass of 6.00 kg over a pulley with a moment of inertia of 0.0352 kg m² and a radius of 12.5 cm. If the system is released from rest, what is the speed of the masses after they have moved through 1.25 m?

A) 2.00 m/s
B) 2.28 m/s
C) 4.00 m/s
D) 4.95 m/s
E) 6.00 m/s